update Dockerfile - Githubissues

intelsdi-x / snap

The open telemetry framework

http://snap-telemetry.io

Apache License 2.0

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update Dockerfile #1741

Closed ami-GS closed 6 years ago

ami-GS commented 6 years ago

Fixes #

Summary of changes:

fix GOPATH=/app to /go
gather several operations to single "RUN" for single cache
remove /var/lib/apt/lists* for small image

Testing done:

@intelsdi-x/snap-maintainers